Issue 4988. Fixe for 'assert' statement vs function resolving

compiler/java/com/google/dart/compiler/resolver/Elements.java

Index: compiler/java/com/google/dart/compiler/resolver/Elements.java
diff --git a/compiler/java/com/google/dart/compiler/resolver/Elements.java b/compiler/java/com/google/dart/compiler/resolver/Elements.java
index 0e3efaf72de76c9666c6e76531e65b30187397fb..18ef336ea63978e03b75bc524726d664b510ce95 100644
--- a/compiler/java/com/google/dart/compiler/resolver/Elements.java
+++ b/compiler/java/com/google/dart/compiler/resolver/Elements.java
@@ -51,6 +51,10 @@ import java.util.Set;
  * Utility and factory methods for elements.
  */
 public class Elements {
+  /**
+   * Name of the artificial function used for resolution of "assert" statement.
+   */
+  public static final String ASSERT_FUNCTION_NAME = "assert__forStatement" + System.currentTimeMillis();
   private static final ImmutableSet<Token> ASSIGN_OPERATORS =
       Sets.immutableEnumSet(
           Token.ASSIGN,
@@ -776,7 +780,7 @@ static FieldElementImplementation fieldFromNode(DartField node,
   public static boolean isArtificialAssertMethod(Element element) {
     if (element instanceof MethodElement) {
       MethodElement methodElement = (MethodElement) element;
-      return Objects.equal(methodElement.getName(), "assert")
+      return Objects.equal(methodElement.getName(), ASSERT_FUNCTION_NAME)
           && methodElement.getEnclosingElement() instanceof LibraryElement
           && methodElement.getEnclosingElement().getName().equals("dart://core/core.dart");
     }